Linear Regression Calculator
Ordinary least squares: y = intercept + slope × x; R² = r². Extrapolation and causal interpretation require separate checks. Results use floating-point arithmetic; verify inputs and units.
Enabling local controls…
Results
Review the settings and run. Editing inputs clears old results.
Processing model and limits
Ordinary least squares: y = intercept + slope × x; R² = r². Extrapolation and causal interpretation require separate checks.
Data and model checked: NIST statistical methods ↗Source tool controls ↗
How to use this tool
Load the example, confirm field units and processing rules, then run locally. Editing any input clears the old result. Copy or download the complete output explicitly.
When not to use it
Ordinary least squares: y = intercept + slope × x; R² = r². Extrapolation and causal interpretation require separate checks.